Home / 105,536,290-145,636,559.13-58,491,358.78

Finding the Fourth Proportional to 105,536,290, 145,636,559.13 and 58,491,358.78

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Solution

The fourth proportional to 105,536,290, 145,636,559.13 and 58,491,358.78 is: 80,716,123.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,536,290 : 145,636,559.13 = 58,491,358.78 : x
  2. Step 2: Convert to fraction form
    105,536,290/145,636,559.13 = 58,491,358.78/x
  3. Step 3: Cross multiply
    105,536,290x = 145,636,559.13 × 58,491,358.78
  4. Step 4: Simplify right side
    105,536,290x = 8,518,480,231,557,515
  5. Step 5: Solve for x
    x = 8,518,480,231,557,515/105,536,290
  6. Step 6: Final answer
    x = 80,716,123.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.